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AUR9716

BCD
Part Number AUR9716
Manufacturer BCD
Description STEP DOWN DC-DC CONVERTER
Published Jun 25, 2014
Detailed Description Data Sheet 1.0MHz to 1.4MHz, 2A, STEP DOWN DC-DC CONVERTER AUR9716 General Description The AUR9716 is a high efficiency...
Datasheet PDF File AUR9716 PDF File

AUR9716
AUR9716

Overview
Data Sheet 1.
0MHz to 1.
4MHz, 2A, STEP DOWN DC-DC CONVERTER AUR9716 General Description The AUR9716 is a high efficiency step-down DC-DC voltage converter.
The chip operation is optimized by peak-current mode architecture with built-in synchronous power MOS switchers.
It is automatically switching between the normal PWM mode and LDO mode to offer improved system power efficiency covering a wide range of loading conditions.
Switching frequency during 1.
0MHz to 1.
4MHz is set by an external resistor and integrated soft-start (SS), under-voltage-lock-out (UVLO), thermal shutdown detection (TSD) and short circuit protection are designed to provide reliable product applications.
The device is available in adjustable output voltage versions ranging from 0.
8V to VIN when input voltage range is from 2.
5V to 5.
5V , and is able to deliver up to 2A.
The AUR9716 is available in DFN-3×3-8 package.
Features • • • • • • • • • • • • High efficiency Buck Power Converter Low Quiescent Current 2A Output Current Low RDS(ON) Internal Switches: 110mΩ Adjustable Output Voltage from 0.
8V to VIN Wide Operating Voltage Range: 2.
5V to 5.
5V Built-in Power Switches for Synchronous Rectification with high Efficiency 800mV Feedback Voltage Allows output Programmable Frequency: 1.
0MHz to 1.
4MHz Thermal Shutdown Protection Low Drop-out Operation at 100% Duty Cycle No Schottky Diode Required Applications • • • LCD TV Post DC-DC Voltage Regulation PDA and Notebook Computers DFN-3×3-8 Figure 1.
Package Type of AUR9716 Apr.
2012 Rev.
1.
0 1 BCD Semiconductor Manufacturing Limited Data Sheet 1.
0MHz to 1.
4MHz, 2A, STEP DOWN DC-DC CONVERTER AUR9716 Pin Configuration D Package (DFN-3×3-8) Figure 2.
Pin Configuration of AUR9716 (Top View) Pin Description Pin Number 1 2 3 4 5 6 7 8 Pin Name COMP GND EN VDD SW F_ADJ FB Function Compensation Point.
COMP is used to compensate the regulation control loop.
Connect R and C from COMP and GND to compensate the regulation control loop Ground.
The exposed p...


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